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Influence of Electrode Polishing Protocols, Potentiostat Models, and LOD Calculation Methods on the Electroanalytical Performance of SWV Measurements at Glassy Carbon Electrodes

dc.contributor.authorŚwiderski, Michał
dc.contributor.authorSeroka, Jagoda
dc.contributor.authorGuziejewski, Dariusz
dc.contributor.authorKrzymiński, Paweł
dc.contributor.authorMiniak-Górecka, Alicja
dc.contributor.authorKoszelska, Kamila
dc.contributor.authorUllah, Nabi
dc.contributor.authorSmarzewska, Sylwia
dc.date.accessioned2026-03-18T12:41:02Z
dc.date.available2026-03-18T12:41:02Z
dc.date.issued2025
dc.identifier.urihttp://hdl.handle.net/11089/57730
dc.description.abstractThe aim of this study was to evaluate how fundamental elements of electrochemical measurements influence the results of electroanalytical procedures. Measurements were performed using square wave voltammetry at a glassy carbon electrode, and the analytical signal corresponded to a model redox system. One objective of the study was to examine the impact of potentiostats from different manufacturers, as well as differences between models within the same brand, which varied considerably in cost and measurement capabilities. The influence of the mechanical cleaning procedure for the solid disc electrode surface was also investigated. Three types of polishing motion and different numbers of repetitions were tested. The results showed that polishing motion significantly affects the electroactive surface area of the working electrode and the repeatability of measurements. The largest electroactive surface area and the best repeatability were obtained when polishing was performed using an “8-shaped” motion on the polishing pad. The results confirmed that both instrumentation and electrode polishing procedures can substantially influence statistical parameters describing analytical methods, such as the limit of detection (LOD) and the dynamic range of the calibration curve. Furthermore, applying different approaches for LOD estimation to the same dataset may lead to discrepancies reaching up to two orders of magnitude.pl_PL
dc.description.sponsorshipThis research was funded in whole or in part by National Science Center, Poland 2021/41/N/ST4/01425pl_PL
dc.language.isoen_USpl_PL
dc.publisherMDPIpl_PL
dc.relation.ispartofseriesMolecules;
dc.rightsUznanie autorstwa 4.0 Międzynarodowe*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectPolishingpl_PL
dc.subjectElectroactive Surfacepl_PL
dc.subjectVoltammetrypl_PL
dc.subjectGlassy Carbon Electrodepl_PL
dc.subjectPotentiostatpl_PL
dc.subjectLimit of Detectionpl_PL
dc.titleInfluence of Electrode Polishing Protocols, Potentiostat Models, and LOD Calculation Methods on the Electroanalytical Performance of SWV Measurements at Glassy Carbon Electrodespl_PL
dc.typeArticlepl_PL
dc.rights.holderMichał Świderski, Jagoda Seroka, Dariusz Guziejewski, Paweł Krzymiński, Alicja Miniak-Górecka, Kamila Koszelska, Nabi Ullah and Sylwia Smarzewskapl_PL
dc.page.number4651pl_PL
dc.contributor.authorAffiliationMichał Świderski - Doctoral School of Exact and Natural Sciences, Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationJagoda Seroka - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationDariusz Guziejewski - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationPaweł Krzymiński - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationAlicja Miniak-Górecka - Faculty of Physics and Applied Informatics, Department of Intelligent Systems, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationKamila Koszelska - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationNabi Ullah - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.contributor.authorAffiliationSylwia Smarzewska - Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, University of Lodz, Lodz, Polandpl_PL
dc.identifier.eissn1420-3049
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dc.contributor.authorEmailkamila.koszelska@chemia.uni.lodz.plpl_PL
dc.identifier.doi10.3390/molecules30234651
dc.relation.volume30pl_PL
dc.disciplinenauki chemicznepl_PL


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